class_docstr: Base Graph Model
class_docstr_tok: ["Base","Graph","Model"]
code: def __init__(self, args):
      node_feature = [
          ("nfeat", [None, 58], "float32"),
          ("node_id", [None, 1], "int64"),
      ]
      self.hidden_size = args.hidden_size
      self.num_nodes = args.num_nodes
  
      self.graph_wrapper = None  # GraphWrapper(
      # name="graph", place=F.CPUPlace(), node_feat=node_feature)
  
      self.build_model(args)
  
file_path: PGL/ogb_examples/linkproppred/ogbl-ppa/model.py
imports: import os
  import re
  import time
  from random import random
  from functools import reduce, partial
  import numpy
  import multiprocessing
  import paddle
  import paddle.fluid
  import paddle.fluid.layers
  from pgl.graph_wrapper import GraphWrapper
  from pgl.layers.conv import gcn, gat
label_desc: Use image node_id 1 to create a new BaseGraph object from inherited base classes: object with example: obj = BaseGraph(args)